2 * Copyright (C) 2011, BMW AG
4 * GeniviAudioMananger AudioManagerDaemon
6 * \file CommandSender.cpp
8 * \date 20-Oct-2011 3:42:04 PM
9 * \author Christian Mueller (christian.ei.mueller@bmw.de)
12 * GNU Lesser General Public License, version 2.1, with special exception (GENIVI clause)
13 * Copyright (C) 2011, BMW AG Christian Mueller Christian.ei.mueller@bmw.de
15 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License, version 2.1, for more details.
17 * You should have received a copy of the GNU Lesser General Public License, version 2.1, along with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>.
18 * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may also be applicable to programs even in cases in which the program is not a library in the technical sense.
19 * Linking AudioManager statically or dynamically with other modules is making a combined work based on AudioManager. You may license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to license your linked modules under the GNU Lesser General Public License, version 2.1, you may use the program under the following exception.
20 * As a special exception, the copyright holders of AudioManager give you permission to combine AudioManager with software programs or libraries that are released under any license unless such a combination is not permitted by the license of such a software program or library. You may copy and distribute such a system following the terms of the GNU Lesser General Public License, version 2.1, including this special exception, for AudioManager and the licenses of the other code concerned.
21 * Note that people who make modified versions of AudioManager are not obligated to grant this special exception for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, version 2.1, gives permission to release a modified version without this exception; this exception also makes it possible to release a modified version which carries forward this exception.
25 #include "CommandSender.h"
29 #include "CommandReceiver.h"
30 #include "PluginTemplate.h"
31 #include "DLTWrapper.h"
35 #define REQUIRED_INTERFACE_VERSION_MAJOR 1
36 #define REQUIRED_INTERFACE_VERSION_MINOR 0
38 //!< macro to call all interfaces
39 #define CALL_ALL_INTERFACES(...) \
40 std::vector<CommandSendInterface*>::iterator iter = mListInterfaces.begin(); \
41 std::vector<CommandSendInterface*>::iterator iterEnd = mListInterfaces.end(); \
42 for (; iter<iterEnd;++iter) \
44 (*iter)->__VA_ARGS__; \
47 CommandSender::CommandSender(const std::vector<std::string>& listOfPluginDirectories) :
49 mListLibraryHandles(), //
50 mListLibraryNames(), //
53 std::vector<std::string> sharedLibraryNameList;
54 std::vector<std::string>::const_iterator dirIter = listOfPluginDirectories.begin();
55 std::vector<std::string>::const_iterator dirIterEnd = listOfPluginDirectories.end();
57 // search communicator plugins in configured directories
58 for (; dirIter < dirIterEnd; ++dirIter)
60 const char* directoryName = dirIter->c_str();
61 logInfo("Searching for CommandPlugins in", *dirIter);
62 DIR *directory = opendir(directoryName);
66 logError("Error opening directory ", *dirIter);
70 // iterate content of directory
71 struct dirent *itemInDirectory = 0;
72 while ((itemInDirectory = readdir(directory)))
74 unsigned char entryType = itemInDirectory->d_type;
75 std::string entryName = itemInDirectory->d_name;
77 bool regularFile = (entryType == DT_REG || entryType == DT_LNK);
78 bool sharedLibExtension = ("so" == entryName.substr(entryName.find_last_of(".") + 1));
80 if (regularFile && sharedLibExtension)
82 std::string name(directoryName);
83 sharedLibraryNameList.push_back(name + "/" + entryName);
89 // iterate all communicator plugins and start them
90 std::vector<std::string>::iterator iter = sharedLibraryNameList.begin();
91 std::vector<std::string>::iterator iterEnd = sharedLibraryNameList.end();
93 for (; iter < iterEnd; ++iter)
95 logInfo("Loading CommandSender plugin", *iter);
96 CommandSendInterface* (*createFunc)();
97 void* tempLibHandle = NULL;
98 createFunc = getCreateFunction<CommandSendInterface*()>(*iter, tempLibHandle);
102 logInfo("Entry point of CommandPlugin not found", *iter);
106 CommandSendInterface* commander = createFunc();
110 logInfo("CommandPlugin initialization failed. Entry Function not callable");
116 commander->getInterfaceVersion(version);
117 uint16_t minorVersion, majorVersion;
118 std::istringstream(version.substr(0, 1)) >> majorVersion;
119 std::istringstream(version.substr(2, 1)) >> minorVersion;
121 if (majorVersion < REQUIRED_INTERFACE_VERSION_MAJOR || ((majorVersion == REQUIRED_INTERFACE_VERSION_MAJOR) && (minorVersion > REQUIRED_INTERFACE_VERSION_MINOR)))
123 logInfo("CommandInterface initialization failed. Version of Interface to old");
127 mListInterfaces.push_back(commander);
128 mListLibraryHandles.push_back(tempLibHandle);
129 mListLibraryNames.push_back(iter->c_str());
133 CommandSender::~CommandSender()
138 am_Error_e CommandSender::startupInterfaces(CommandReceiver *iCommandReceiver)
140 mCommandReceiver = iCommandReceiver;
141 am_Error_e returnError = E_OK;
143 std::vector<CommandSendInterface*>::iterator iter = mListInterfaces.begin();
144 std::vector<CommandSendInterface*>::iterator iterEnd = mListInterfaces.end();
145 for (; iter < iterEnd; ++iter)
147 am_Error_e error = (*iter)->startupInterface(iCommandReceiver);
156 void CommandSender::cbNumberOfSinkClassesChanged()
158 CALL_ALL_INTERFACES(cbNumberOfSinkClassesChanged())
161 void CommandSender::cbNumberOfSourceClassesChanged()
163 CALL_ALL_INTERFACES(cbNumberOfSourceClassesChanged())
166 void CommandSender::cbMainConnectionStateChanged(const am_mainConnectionID_t connectionID, const am_ConnectionState_e connectionState)
168 CALL_ALL_INTERFACES(cbMainConnectionStateChanged(connectionID,connectionState))
171 void CommandSender::cbMainSinkSoundPropertyChanged(const am_sinkID_t sinkID, const am_MainSoundProperty_s& SoundProperty)
173 CALL_ALL_INTERFACES(cbMainSinkSoundPropertyChanged(sinkID,SoundProperty))
176 void CommandSender::cbMainSourceSoundPropertyChanged(const am_sourceID_t sourceID, const am_MainSoundProperty_s& SoundProperty)
178 CALL_ALL_INTERFACES(cbMainSourceSoundPropertyChanged(sourceID,SoundProperty))
181 void CommandSender::cbSinkAvailabilityChanged(const am_sinkID_t sinkID, const am_Availability_s & availability)
183 CALL_ALL_INTERFACES(cbSinkAvailabilityChanged(sinkID,availability))
186 void CommandSender::cbSourceAvailabilityChanged(const am_sourceID_t sourceID, const am_Availability_s & availability)
188 CALL_ALL_INTERFACES(cbSourceAvailabilityChanged(sourceID,availability))
191 void CommandSender::cbVolumeChanged(const am_sinkID_t sinkID, const am_mainVolume_t volume)
193 CALL_ALL_INTERFACES(cbVolumeChanged(sinkID,volume))
196 void CommandSender::cbSinkMuteStateChanged(const am_sinkID_t sinkID, const am_MuteState_e muteState)
198 CALL_ALL_INTERFACES(cbSinkMuteStateChanged(sinkID,muteState))
201 void CommandSender::cbSystemPropertyChanged(const am_SystemProperty_s & SystemProperty)
203 CALL_ALL_INTERFACES(cbSystemPropertyChanged(SystemProperty))
206 void CommandSender::cbTimingInformationChanged(const am_mainConnectionID_t mainConnection, const am_timeSync_t time)
208 CALL_ALL_INTERFACES(cbTimingInformationChanged(mainConnection,time))
211 void CommandSender::cbNewMainConnection(const am_MainConnectionType_s mainConnection)
213 CALL_ALL_INTERFACES(cbNewMainConnection(mainConnection))
216 void CommandSender::cbRemovedMainConnection(const am_mainConnectionID_t mainConnection)
218 CALL_ALL_INTERFACES(cbRemovedMainConnection(mainConnection))
221 void CommandSender::cbNewSink(const am_SinkType_s sink)
223 CALL_ALL_INTERFACES(cbNewSink(sink))
226 void CommandSender::cbRemovedSink(const am_sinkID_t sink)
228 CALL_ALL_INTERFACES(cbRemovedSink(sink))
231 void CommandSender::cbNewSource(const am_SourceType_s source)
233 CALL_ALL_INTERFACES(cbNewSource(source))
236 void CommandSender::cbRemovedSource(const am_sourceID_t source)
238 CALL_ALL_INTERFACES(cbRemovedSource(source))
241 void CommandSender::setCommandReady()
243 mCommandReceiver->waitOnStartup(false);
244 std::vector<CommandSendInterface*>::iterator iter = mListInterfaces.begin();
245 std::vector<CommandSendInterface*>::iterator iterEnd = mListInterfaces.end();
246 for (; iter < iterEnd; ++iter)
248 (*iter)->setCommandReady(mCommandReceiver->getStartupHandle());
250 mCommandReceiver->waitOnStartup(true);
253 void CommandSender::setCommandRundown()
255 mCommandReceiver->waitOnRundown(false);
256 std::vector<CommandSendInterface*>::iterator iter = mListInterfaces.begin();
257 std::vector<CommandSendInterface*>::iterator iterEnd = mListInterfaces.end();
258 for (; iter < iterEnd; ++iter)
260 (*iter)->setCommandRundown(mCommandReceiver->getRundownHandle());
262 mCommandReceiver->waitOnRundown(true);
265 void CommandSender::getInterfaceVersion(std::string & version) const
267 version = CommandSendVersion;
270 am_Error_e am::CommandSender::getListPlugins(std::vector<std::string> & interfaces) const
272 interfaces = mListLibraryNames;
276 void CommandSender::unloadLibraries(void)
278 std::vector<void*>::iterator iterator = mListLibraryHandles.begin();
279 for (; iterator < mListLibraryHandles.end(); ++iterator)
283 mListLibraryHandles.clear();